TY - RPRT TI - Hematologic problems in pregnancy V. Obstetric transfusion therapy. AU - J R Cooley AU - D Z Kitay PY - 1977 DO - 10.1016/0002-9378(77)90027-8 UR - https://pubmed.ncbi.nlm.nih.gov/879204/ ID - 879204 ER -